Finding the Fourth Proportional to 89,623.05, 123,718.10 and 63,798.27

Step by Step Solution

1. Step 1: Write the proportion equation
   89,623.05 : 123,718.10 = 63,798.27 : x
2. Step 2: Convert to fraction form
   89,623.05/123,718.10 = 63,798.27/x
3. Step 3: Cross multiply
   89,623.05x = 123,718.10 × 63,798.27
4. Step 4: Simplify right side
   89,623.05x = 7,893,000,428.70
5. Step 5: Solve for x
   x = 7,893,000,428.70/89,623.05
6. Step 6: Final answer
   x = 88,068.87